Duplicate question. You were advised by several attorneys that you have to file a separate I-130 for your child

Now that you are a citizen you must file separate I-130 for child. After both petitions are approved timing can be coordinated for them to...

By regulation they have 120 days to adjudicate. It may come sooner

Typical USCIS response to say we know we are late and will get to it when we can. Just a means to say they answered you but no real help.

It would have been a good idea 14 months ago when you got receipt for I-130. Not likely to help now.

By regulation they have up to 120 days.

At a minimum new fingerprints will neednto be taken as the last ones are expired. It will take weeks to months

Agree with attorney Barlow and add that baby is a US Citizen at birth based one parent being a citizen. You will need to contact the US Embassy...

The baby can immigrate at same time assuming all required forms and supporting documents are submitted for wife and child

How many years were you marriednto citizen when you applied for citizenship?